Overview

overview

8

Static

static

7

7ce5fd133a...da.exe

windows7-x64

8

7ce5fd133a...da.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2023 20:51

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    7ce5fd133a02bf6515704a5fe150abd594bf4cc41c270dbab8b73dfd81c35fda.exe

  • Size

    174KB

  • MD5

    a098b1f58e37771a7ca6a61462def435

  • SHA1

    775791167fd9a0162b9c5feac81205362927e3d7

  • SHA256

    7ce5fd133a02bf6515704a5fe150abd594bf4cc41c270dbab8b73dfd81c35fda

  • SHA512

    2fa4568291981d6747e9952d2d9c5752852605c3cedbd94ebd867355aca35dbbf90b129ddc69c2347fef09cce36170d88710ca00a0d5bd89adff8ea776a5c682

  • SSDEEP

    3072:CYOoXSH2e5kqL7RJsgQKxF//tUPzsFst3rJ/g/9J5B+oQc5O1/EY7:CYfSr5khgQKD//C4FS3dg/XD+RTxE

Score
8/10
discoverypersistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 61 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ce5fd133a02bf6515704a5fe150abd594bf4cc41c270dbab8b73dfd81c35fda.exe
    "C:\Users\Admin\AppData\Local\Temp\7ce5fd133a02bf6515704a5fe150abd594bf4cc41c270dbab8b73dfd81c35fda.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /u /s "C:\Users\Administrator\AppData\Local\YunPan\Bin\x64\YuWangExt.dll"
      2⤵
        PID:1280
      • C:\Windows\explorer.exe
        "C:\Windows\explorer.exe"
        2⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:1208
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3872
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2680

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133317679191380513.txt
      Filesize

      75KB

      MD5

      65019a5db517d9fb830d8a57406a03ea

      SHA1

      817faf2ffe8461f653519e7bd96e7ee75021c891

      SHA256

      3ae88b3a99e6b785bdb44760790bc03ac722ef5b673ad5b3ca49b5cc5eecf84f

      SHA512

      bcc985d3fa48efcbb4a334b1a341a6686ef6c69f237d6d9bdcd9885696d148519ab824b9150194d783cb03189c1cc00a483f1b73ebce323f1f6a303a05b8ea62

      Download Submit
    • memory/1208-143-0x0000000002AA0000-0x0000000002AA1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2680-149-0x0000018024270000-0x0000018024290000-memory.dmp
      Filesize

      128KB

      Download
    • memory/2680-152-0x0000018024230000-0x0000018024250000-memory.dmp
      Filesize

      128KB

      Download
    • memory/2680-154-0x0000018024840000-0x0000018024860000-memory.dmp
      Filesize

      128KB

      Download
    • memory/3804-133-0x00000000007D0000-0x0000000000838000-memory.dmp
      Filesize

      416KB

      Download
    • memory/3804-134-0x00000000007D0000-0x0000000000838000-memory.dmp
      Filesize

      416KB

      Download
    • memory/3804-135-0x00000000007D0000-0x0000000000838000-memory.dmp
      Filesize

      416KB

      Download
    • memory/3804-136-0x00000000007D0000-0x0000000000838000-memory.dmp
      Filesize

      416KB

      Download
    • memory/3804-137-0x0000000001350000-0x0000000001351000-memory.dmp
      Filesize

      4KB

      Download
    • memory/3804-269-0x00000000007D0000-0x0000000000838000-memory.dmp
      Filesize

      416KB

      Download